<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <script>
    const o = {name: 'zs', age: 18, password: 110}
    const newPassword = 'abchjkl'
    const obj = {...o, password: newPassword}
    console.log(obj)
  </script>
</body>
</html>